package com.wanxi.servlet;

import com.wanxi.model.BrandModel;
import com.wanxi.service.BrandService;
import com.wanxi.util.Tool;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/findById")
public class BrandFindByIdServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

//        1.乱码处理
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("utf-8");
//        2.拿到前端的值
        String id = req.getParameter("id");
//        3.封装到model
        BrandModel brandModel = BrandModel.builder()
                .id(Tool.strToInt(id))
                .build();
//        4.调用逻辑层
        BrandService brandService = new BrandService();
        BrandModel model = brandService.findById(brandModel);
//        5.将model返回给Java前端
        req.setAttribute("model", model);
        req.getRequestDispatcher("/BrandUpdate.jsp").forward(req, resp);
    }
}
